1. OrcaFlex User Group 2003 www.orcina.com Slide 1 of 9 OrcaFlex - The Latest Developments Introduction Interface & Results Automation Other VIV Toolbox Environment Vessels Lines Buoys & Winches

2. OrcaFlex User Group 2003 www.orcina.com Slide 2 of 9 OrcaFlex - The Latest Developments Environment Current speed & direction vs. simulation time More flexible JONSWAP & ISSC settings  and current speed vs. horiz. position in fluid New wave type: User Specified Components More results available: Wind direction, Sea vel & accel magnitudes, Current speed & direction, Hydrostatic pressure Choice of 3 kinematic stretching methods

3. OrcaFlex User Group 2003 www.orcina.com Slide 3 of 9 OrcaFlex - The Latest Developments Lines Line Ends Form renamed All Lines Form Specification of Line segmentation improved Section cumulative length and no. of segments Improved reporting of Line Clearance results Line Expansion Factor added Clumps aligned with Line axes New Step 1 statics method (User Specified) Seabed reaction force results variable added

4. OrcaFlex User Group 2003 www.orcina.com Slide 4 of 9 OrcaFlex - The Latest Developments Vessels Multiple applied loads can be set Applied loads can be set vs. simulation time or by an externally called function All draught dependent Vessel Type variables can now be set as a function of draught New Report Vessel Response facility Wave drift forces and moments available as results

5. OrcaFlex User Group 2003 www.orcina.com Slide 5 of 9 OrcaFlex - The Latest Developments Buoys & Winches Wave force & moment RAOs for Buoys Multiple applied loads can be set Applied loads can be set vs. simulation time or by an externally called function Wing orientation can be set vs. simulation time or by an externally called function Buoy properties available via pop-up menu Winch control extended to vary with simulation time or by an externally called function

6. OrcaFlex User Group 2003 www.orcina.com Slide 6 of 9 OrcaFlex - The Latest Developments Interface & Results Model Browser ‘groups’ Multiple file replay Locate Object facility New Graph menu Instantaneous Value results period Rainflow half-cycle graphs now available Delete unused Types and Variable Data Sources

7. OrcaFlex User Group 2003 www.orcina.com Slide 7 of 9 OrcaFlex - The Latest Developments Automation Results Spreadsheet can now be used with the Statics-only OrcaFlex licence Results Spreadsheet can now output pipe stress component results New Batch Script commands

8. OrcaFlex User Group 2003 www.orcina.com Slide 8 of 9 OrcaFlex - The Latest Developments Other Results available for drag chains Current direction shown in modal analysis view Better fatigue analysis reporting New Extend Simulation facility New dynamic ramping function

9. OrcaFlex User Group 2003 www.orcina.com Slide 9 of 9 OrcaFlex - The Latest Developments VIV Toolbox Ramping from Morison drag to vortex force Automatic perturbation of time domain models User defined vortex force Factors Sarpkaya vortex tracking model runs twice as fast Disable VIV modelling for parts of lines New experimental vortex tracking model Inline and transverse force results available Detailed control of time domain VIV drawing Now split into Freq. and Time domain modules